Hiroshi Tachi (舘 ひろし, Tachi Hiroshi, born 31 March 1950 in Naka-ku, Nagoya) is a Japanese actor and singer.
His ancestors were samurai of the Owari Domain and the family of the former samurai. The house of the each other is "the away of the Tokugawa family" which worshiped from the Tokugawa family.
He attended, but did not graduate from, Chiba Institute of Technology. Tachi joined Toei film company and made his film debut with The Classroom of Terror. In 1983, he moved to Yujiro Ishiharas production company. In the 1980s, he won great popularity through his roles in the TV drama series Seibu Keisatsu and Abunai Deka. In 2018, Tachi won the Best Actor award at the 42nd Montreal World Film Festival for his role in Owatta Hito.
As a singer Tachi appeared in the Kōhaku Uta Gassen twice.